In 2021, Cologne Bonn Airport grew in the two transport segments of passenger traffic and air cargo. The number of passengers grew by 38 per cent in comparison to 2020 to 4.25 million, but reached only a good third of the pre-crisis level. Developments in air cargo were all the more pleasing: 986,000 tonnes represents an increase in tonnage of 14 per cent and, at the same time, a new annual record...